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Buy online & pick up from your local warehouse.
Costco offers in-warehouse pick up for your convenience. Please note, standard delivery time will apply and only the bill-to credit card addressee may pick up the product. Valid state or government-issued photo ID is required at the time of pickup.
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Fine Necklaces at Costco: Diamonds, Gemstones, Gold, and Pearls
Impeccably crafted in 14K gold, 18K gold, and platinum, our collection of fine jewelry offers uncompromised luxury at unbeatable value. From timeless diamond solitaire necklaces and lustrous pearl strands to men's and women's 18K and 14K gold chains, we have something for everyone. Shine bright with certified diamond necklaces, featuring popular halo designs and classic diamond cross pendants. Indulge in custom one-of-a-kind necklaces showcasing rare fancy yellow diamonds, collector-grade spinel, and exotic Tahitian pearls. And for those looking for color, we offer a large selection of gemstone necklaces, including ruby, sapphire, emerald and tanzanite, and birthstone pendants in an array of colors.
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